@form-prefix-cls: ~"@{css-prefix}form";
@form-item-prefix-cls: ~"@{form-prefix-cls}-item";

.@{form-prefix-cls} {
    .@{form-item-prefix-cls}-label {
        text-align: right;
        vertical-align: middle;
        float: left;
        font-size: @font-size-small;
        color: @text-color;
        line-height: 1;
        padding: 10px 12px 10px 0;
        box-sizing: border-box;
    }
    &-label-left .@{form-item-prefix-cls}-label {
        text-align: left;
    }
    &-label-top .@{form-item-prefix-cls}-label {
        float: none;
        display: inline-block;
        padding: 0 0 10px 0;
    }
    &-inline{
        .@{form-item-prefix-cls} {
            display: inline-block;
            margin-right: 10px;
            vertical-align: top;
        }
    }
}

.@{form-item-prefix-cls} {
    margin-bottom: @form-item-margin-bottom;
    margin-top: @form-item-margin-top;
    vertical-align: top;
    .clearfix();
    &-content {
        position: relative;
        line-height: @form-item-margin-bottom + 8;
        font-size: @font-size-small;
    }
    & & {
        margin-bottom: 0;
    }
    & & &-content {
        margin-left: 0!important;
    }

    &-error-tip{
        position: absolute;
        top: 100%;
        left: 0;
        line-height: 1;
        padding-top: 6px;
        color: @error-color;
    }

    &-required {
        .@{form-item-prefix-cls}-label:before {
            content: '*';
            display: inline-block;
            margin-right: 4px;
            line-height: 1;
            font-family: SimSun;
            font-size: @font-size-small;
            color: @error-color;
        }
    }
    &-error {
        // todo
    }
}